US Bridges

I 90 WB over ST135 Wood ST

Fair

Middlesex County, Massachusetts · 1-90 Mm 104.9 · Structure no. H230154NXDOTNBI

Built
1957
68 years old, rebuilt 1988
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
128 ft
3 main spans
Daily traffic
35,652
2020 count
Owner
State
State Highway Agency

About this bridge

I 90 WB over ST135 Wood ST is a steel stringer/multi-beam or girder carrying I 90 WB over ST135 Wood ST in Middlesex County, Massachusetts. It was built in 1957 and reconstructed in 1988, so it is 68 years old, older than the Massachusetts average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 35,652 vehicles a day, roughly 16% of them trucks, projected to reach 140,935 by 2031. The structure is 128 ft (39.1 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 90 WB
CrossesST135 Wood ST
Location1-90 Mm 104.9
RouteInterstate 90
CountyMiddlesex County
StateMassachusetts
Coordinates42.25054, -71.58597
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.2 US tons
Inventory rating40.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length128 ft (39.1 m)
Longest span62 ft (18.9 m)
Deck width56 ft (17.2 m)
Roadway width53 ft (16.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,652 (2020)
Projected traffic140,935 by 2031
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$6.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 90 WB over ST135 Wood ST built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1988.

What condition is I 90 WB over ST135 Wood ST in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does I 90 WB over ST135 Wood ST carry?

About 35,652 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I 90 WB over ST135 Wood ST?

The structure is 128 ft (39.1 m) long with a longest span of 62 ft (18.9 m) and a deck 56 ft wide.

Who owns I 90 WB over ST135 Wood ST?

It is owned by the State Highway Agency.